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Half Marathons Found In Ontario in September
View all ↓Half Marathons in Ontario in September 2025
findarace.com is Canada's favourite event discovery site. Check out our list of September 2025 Half Marathons in Ontario below.
Race Calendar: Half Marathons Found In September
Georgina Marathon & Half-Marathon
Jacksons Point, ON
07 Sep 25
$69.90 - $171.38
WINDSOR WATERFRONT HALF MARATHON & 5KM
Windsor, ON
14 Sep 25
$62.15 - $122.07
Canada Army Run 2025 / Course de l’Armée du Canada : 2025
Ottawa, ON
21 Sep 25
$49.72 - $136.79
Habitat for Humanity Chatham-Kent River Run
Chatham, ON
21 Sep 25
$45.41 - $61.59
Cedar Ridge Hilly Half-Marathon & 10Km
McArthurs Mills, ON
27 Sep 25
Steelway Railway City Road Races 2025 Live Run
St Thomas, ON
28 Sep 25
$29.23 - $110.15
Springbank Road Races London
London, ON
28 Sep 25
$7.69 - $78.50
Run for the Grapes Half Marathon & 5K
Lincoln, ON
28 Sep 25
$56.71 - $89.39
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